Home / 56,839.02-85,283.10-30,513

Finding the Fourth Proportional to 56,839.02, 85,283.10 and 30,513

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Solution

The fourth proportional to 56,839.02, 85,283.10 and 30,513 is: 45,782.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,839.02 : 85,283.10 = 30,513 : x
  2. Step 2: Convert to fraction form
    56,839.02/85,283.10 = 30,513/x
  3. Step 3: Cross multiply
    56,839.02x = 85,283.10 × 30,513
  4. Step 4: Simplify right side
    56,839.02x = 2,602,243,230.30
  5. Step 5: Solve for x
    x = 2,602,243,230.30/56,839.02
  6. Step 6: Final answer
    x = 45,782.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.